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test(plugins): measure native Linux host socket reachability - #75
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vanedaltro wants to merge 2 commits into
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vanedaltro wants to merge 2 commits into
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Superseded by the consolidated draft #76 against main, following the user-requested limit on open goal PRs. This PR head is contained in the published #76 branch; its commits, source branch and verification evidence are retained. Closed as superseded, not merged.
Measure fixture-owned pathname UNIX-socket reachability through the production Linux policy composer and packaged native entry. The diagnostic covers outside-Location, public Location, masked private and symlinked outside sockets under all four fs.read/fs.write combinations with shell disabled. Host-side receipt of the exact fixture token confirms delivery; unrestricted direct controls and independent project-read assertions distinguish IPC reachability from failed startup or filesystem exposure.
This is diagnostic evidence, not capability acceptance or an enforcement change. It contacts no real broker and performs no secret access or filesystem/shell escalation. Reports bind observations to exact source/helper hashes and CI checkout/run identifiers. The existing helper ABI floor, native proof/support gates and production host behavior remain unchanged.
Verification: local macOS example Clippy with Rust warnings denied; C fixture compilation with -Wall -Wextra -Werror and direct native connection/token receipt; workflow YAML/three shell blocks; formatting/diff checks; all 107 strict OpenSpec items; spec lint zero errors, 25 warnings. The C build reports two deprecated Seatbelt SDK calls. Native Linux x64/arm64 execution at 505537f (run 40956201103) proves host receipt on all 12 public/outside/symlink rows per architecture, even with read/write/shell all disabled. All four private-mask rows deny connection. Retained receipts independently match the exact test-merge source hash. This is an observed confinement gap, not passing network acceptance; see the implementation notes for checkout/job identifiers.
Stacked on #74. See openspec/changes/complete-plugin-hook-runtime/linux-ipc-proof.md. The production IPC/network intersection and parent tasks remain open. Do not merge automatically.